/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.accumulo.server.util;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;

import org.apache.accumulo.core.master.thrift.BulkImportState;
import org.apache.accumulo.core.master.thrift.BulkImportStatus;

// A little class to hold bulk import status information in the Manager
// and two places in the tablet server.
public class ServerBulkImportStatus {
  private final ConcurrentMap<String,BulkImportStatus> status = new ConcurrentHashMap<>();

  public List<BulkImportStatus> getBulkLoadStatus() {
    return new ArrayList<>(status.values());
  }

  public void updateBulkImportStatus(List<String> files, BulkImportState state) {
    for (String file : files) {
      status.compute(file, (key, currentStatus) -> {
        if (currentStatus == null) {
          return new BulkImportStatus(System.currentTimeMillis(), file, state);
        }
        currentStatus.state = state;
        return currentStatus;
      });
    }
  }

  public void removeBulkImportStatus(List<String> files) {
    status.keySet().removeAll(files);
  }

}
